NOT PRE-PASTED.  Luckily I had paste on hand so as not to delay my project.  I love the design and will use a metallic paint to give it a tin tile look.   I have plaster ceilings and walls, and it covers very well so as not to show any imperfections or wonky walls.  And then I painted it with metallic paint.  Painting the ceiling makes a room appear bigger, that counts when you can stand and touch the ceiling.  I'm extremely happy with the design.